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In the full type IIB open superstring setup, we show that there exists avertex operator, denoted by $V_L$, whose renormalization reproduces the sameanomalous dimension matrix that was obtained by Minahan and Zarembo (MZ) in{\em JHEP} {\bf 0303}, 013 (2003). The vertex operator is a gauge singlet, andhas the same SO(6) index structure as the operator used by MZ. To obtain theSYM anomalous dimensions, one of the key ingredients is the non-abelianizationof the non-linear sigma model action in a D-brane background.  In {\em Phys.\ Lett.} {\bf B 660}, 583 (2008), it was conjectured thatquantum effects of open strings on a stack of D-branes should generate thecurvature. Even though the conjecture had passed a few consistency checks, therole of the higher order curvature terms has remain mostly unobserved untilnow. By choosing a special form of the non-abelianized counter vertex, $V_G$,we show that the SYM result is reproduced. We comment on fermionic completionof $V_L$ and on how the special form of the non-abelian vertex $V_G$ may arise.

SYM anomalous dimension from open string engineered curvature